Cuphea ignea 'Roxy'

RHS Plant Profile

cigar flower 'Roxy'

RHS

Bedding Conservatory Greenhouse Herbaceous Perennial Houseplants

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A compact, tender, spreading evergreen perennial, often grown as an annual, to around 45cm in height, with lance-shaped glossy dark green leaves. Small, tubular ruby-red flowers with pinkish-lilac tips appear from midsummer through until the first frosts

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity: 5–10 years

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H2
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lythraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Spreading branched
Genus: Cuphea can be annuals, perennials or evergreen shrubs, often with sticky hairs, opposite, simple leaves and tubular flowers with a showy calyx and small petals
Name Status: Unresolved

How to Grow

Cultivation

Grow in fertile, well-drained, moisture-retentive soil in full sun or partial shade. Overwinter in greenhouse

Propagation

Propagate by cuttings or division

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Flower borders and beds
Wall side borders

Pruning

See pruning group 10 in spring if needed. Flowers tend to drop by themselves without the need for deadheading

Pests

Generally pest-free

Diseases

Generally disease-free